Hitachi HTD-K185UK Service Manual page 23

Dvd av receiver and digital terrestrial tv receiver
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If your system passes this test, you can start software download.
Steps to be followed by the user are given below:
1. Connect the serial communication cable between the RS232 outport of the receiver
and the serial communication port (COM1 or COM2) of the PC.
2. Make sure that the PC is on and the receiver is in Power on mode.
3. Run "Hyper Terminal" program of the PC from Start / Programs / Accessories /
Communications / Hyper Terminal menu.
4. For a new connection, run Hypertrm.exe file.
5. Give a name and choose an icon for the connection. (You do not need to make a
new connection every time. You can use this name for the future connections.)
6. Choose communication port in the new coming window (COM1 or COM2)
whichever you have used in Step 1.
7. Port settings should be as follows:
Bits per second :
Data Bits
Parity
Stop bits
Flow control
8. Now Hyper Terminal connection is established.
9. Go to Transfer>Send file menu. Press "Browse" button and by using "up one level"
button find the directory where you had stored the new software in your PC. Then select
the new software name by pressing "open". Software name and its path is written in SEND
FILE "file Name" bar. Also check that 1K Xmodem option is selected in the " protocol"
menu. Then press "send" button of SEND FILE menu. You will see that file is started to be
transferred. If there is no transfer process that is; counter is not active then please turn off
and on the stb through main power chord. During software transfer process software will
be transferred with 9k packages and ACTIVE led at the front panel of the stb will be
flashing red, later it will turn off for some time. PLEASE WAIT FOR UNTIL ACTIVE LED IS
FLASHING RED FOR A FEW TIMES AGAIN AND SOME DIFFERENT CHARACTERS IN
THE HYPER TERMINAL SCREEN IS SEEN. During this waiting time new software is
written into the flash memory and writing into the flash is not a quick process. Also waiting
time increases as the software size increases. This waiting time may be about 3 minutes.
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